Portable insulating container



FIG. 1 is a top, front, left perspective view of a portable insulating container showing our new design;

FIG. 2 is a top, front, right perspective view thereof;

FIG. 3 is a front view thereof; and,

FIG. 4 is a rear view thereof.

The broken lines immediately adjacent to the shaded area define the bounds of the claimed design and form no part thereof. The broken lines depicting the remainder of the portable insulating container show features that form no part of the claimed design. 

CLAIM The ornamental design for a portable insulating container, as shown and described. 